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Articles on Air pollution

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Fine particulate matter from wildfires can cause long-term health harms. Gary Hershorn/Getty Images

How researchers measure wildfire smoke exposure doesn’t capture long-term health effects − and hides racial disparities

Which is riskier for your health: a few days of very bad PM₂.₅ exposure or many more days of slightly bad exposure? Researchers developed new metrics to provide better answers.
Kearny Generating Station, a former coal-fired baseload power plant, now a gas-fired peaker, on the Hackensack River in New Jersey. Jim Henderson/Wikipedia

Utilities rely on dirty ‘peaker’ plants when power demand surges, but there are alternatives

As renewables account for a growing share of electricity supply, fossil fuel plants are increasingly used to balance fluctuations in renewable generation – emitting health-threatening pollutants.
A wildfire burns as an empty street in Jasper, Alta. is shown in this July 24, 2024 handout photo from the Jasper National Park Facebook page. (THE CANADIAN PRESS/Facebook, Jasper National Park)

As wildfires become more frequent and intense, how will persistent smoke exposure affect long-term health?

As communities are exposed to wildfire smoke more regularly and over longer durations year after year, it is critical to consider what these changing exposure patterns mean for our long-term health.
Practising sport in a polluted environment can expose you to elements that are hazardous to health. RossHelen/Shutterstock

How air pollution can affect athletes

Sports activities can expose you to pollutants that are hazardous to your health.
Wildfire smoke traveling hundreds of miles caused hazy skies all the way to Virginia in 2023. AP Photo/Alex Brandon

Wildfire smoke is back – fires burning across Canada are already triggering US air quality alerts in the Midwest and Plains

States could be in for another summer of unhealthy wildfire smoke as ‘zombie fires’ resurface in western Canada and more blazes break out in the dry conditions.
Certain chemicals in synthetic fabrics such as spandex, nylon and polyester can alter the skin microbiome. SBenitez/Moment via Getty Images

Chemical pollutants can change your skin bacteria and increase your eczema risk − new research explores how

From synthetic fabrics to car exhaust to wildfires, exposure to environmental pollutants push the skin microbiome to adapt in ways that reduce its ability to protect the skin.
Large industrial facilities like this oil refinery outside Houston are major sources of fine particulate air pollution. AP Photo/David J. Phillip

Heart attacks, cancer, dementia, premature deaths: 4 essential reads on the health effects driving EPA’s new fine particle air pollution standard

On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.

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